Does Moving Poor People Work?
The results are striking. The low-income minority children from public housing all started with similar math scores. But after seven years, those who went to schools where fewer than 20 percent of their classmates were poor shot ahead of those who went to schools where 20 to 80 percent of their classmates were poor.
.. Fryer and Levitt argue that the elimination of “the test score gap that arises by the end of junior high school may be a critical component of reducing racial wage inequality.”